#include <stdio.h>
int main(void)
{
	/*
	char c = getchar();
	while(c != '\n')
	{
		putchar(c);
		c = getchar();
	}
	putchar(c);
	*/
	int c = fgetc(stdin);
	while(c != '\n')
	{
		fputc(c,stdout);
		c = fgetc(stdin);
	}
	fputc(c,stdout);
	return 0;
}
